// CheckID_card project main.go
package main/** ai -> a1 , a2, a3, a4, a5, a6... a17 (a18 是校验码) 身份证前17位对应(ai)* wi -> 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 (17位)**  int  res = 0;*  for (i = 1; i < 17; i++) {*          res += (a[i] * w[i])*          }*     int  y = res % 11；*** y 与 a18的对应关系**  y    { 0, 1,  2,  3, 4, 5, 6, 7, 8, 9, 10}*  a18  { 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3,  2 } -> vefiry[18] = { 1, 0, 'X', 9, 8, 7, 6, 5, 4, ,3, 2};*/import ("fmt""strconv"//"os"//"strings"
)func byte2int(x byte) byte {if x == 88 {return 'X'}return (x - 48) // 'X' - 48 = 40;
}func check_id(id [17]byte) int {arry := make([]int, 17)//强制类型转换，将[]byte转换成[]int ,变化过程// []byte -> byte -> string -> int//将通过range 将[]byte转换成单个byte,再用强制类型转换string()，将byte转换成string//再通过strconv.Atoi()将string 转换成int 类型for index , value := range id {arry[index], _ = strconv.Atoi(string(value))}/*for p := 0; p < len(arry); p++ {fmt.Println("arry[", p, "]", "=", arry[p])}*/var wi [17]int = [...]int{7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2}var res intfor i := 0; i < 17; i++ {//fmt.Println("id =", i, byte2int(id[i]), wi[i])res += arry[i] * wi[i]}//fmt.Println("res = ", res)return (res % 11)
}func verify_id(verify int, id_v byte) (bool, string) {var temp bytevar i inta18 := [11]byte{1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2}for i = 0; i < 11; i++ {if i == verify {temp = a18[i]//fmt.Println("verify_id id",)// if a18[i] == 'X' ,let convert it to type stringif (a18[i] == 88 ) {fmt.Println("计算得到身份证最后一位是 ", string(a18[i]))} else {fmt.Println("计算得到身份证最后一位是 ", a18[i])}//fmt.Println(i, temp)break}}//if id_v == 'X', let's convert it to type stringif (id_v == 88) {fmt.Println("身份证最后一位是 ", string(id_v))} else {fmt.Println("身份证最后一位是  ", id_v) // id_v是身份证的最后一位
           } if temp == id_v {return true, "验证成功"}return false, "验证失败"
}func usage() {fmt.Println("请输入要检查的身份证号码18位\n")
}func main() {var id_card [18]byte // 'X' == byte(88)， 'X'在byte中表示为88var id_card_copy [17]bytevar id_card_string stringfmt.Scanf("%s", &id_card_string)fmt.Println("身份证号码是 = ", id_card_string)//fmt.Println("id_card_string len = ", len(id_card_string))if len(id_card_string) < 18 {panic("必须要输入18位的身份证号码")}// 将字符串，转换成[]byte,并保存到id_card[]数组当中for k, v := range []byte(id_card_string) {id_card[k] = byte(v)}//复制id_card[18]前17位元素到id_card_copy[]数组当中for j := 0; j < 17; j++ {id_card_copy[j] = id_card[j]//fmt.Println(byte2int(id_card[j]))
    }/*fmt.Println(byte2int(id_card[17]))fmt.Println(string(id_card[17]))*//*y := check_id(id_card_copy)fmt.Println(y)*/fmt.Println(verify_id(check_id(id_card_copy), byte2int(id_card[17])))
}//测试身份证号码：34052419800101001X
//测试身份证号码：511028199507215915